git.sesse.net Git - vlc/blob - modules/gui/macosx/playlistinfo.m

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2012 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Benjamin Pracht <bigben at videolan dot org>
   8  *          Felix Paul Kühne <fkuehne at videolan dot org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #import "CompatibilityFixes.h"
  30 #import "intf.h"
  31 #import "playlistinfo.h"
  32 #import "playlist.h"
  33 #import <vlc_url.h>
  34
  35 /*****************************************************************************
  36  * VLCPlaylistInfo Implementation
  37  *****************************************************************************/
  38
  39 @implementation VLCInfo
  40
  41 static VLCInfo *_o_sharedInstance = nil;
  42
  43 + (VLCInfo *)sharedInstance
  44 {
  45     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  46 }
  47
  48 - (id)init
  49 {
  50     if (_o_sharedInstance)
  51         [self dealloc];
  52     else {
  53         _o_sharedInstance = [super init];
  54
  55         if (_o_sharedInstance != nil) {
  56             p_item = NULL;
  57             [self updatePanelWithItem: NULL];
  58             rootItem = [[VLCInfoTreeItem alloc] init];
  59         }
  60     }
  61
  62     return _o_sharedInstance;
  63 }
  64
  65 - (void)awakeFromNib
  66 {
  67     [o_info_window setExcludedFromWindowsMenu: YES];
  68     [o_info_window setFloatingPanel: NO];
  69     if (!OSX_SNOW_LEOPARD)
  70         [o_info_window setCollectionBehavior: NSWindowCollectionBehaviorFullScreenAuxiliary];
  71
  72     [o_info_window setTitle: _NS("Media Information")];
  73     [o_uri_lbl setStringValue: _NS("Location")];
  74     [o_title_lbl setStringValue: _NS("Title")];
  75     [o_author_lbl setStringValue: _NS("Artist")];
  76     [o_saveMetaData_btn setStringValue: _NS("Save Metadata")];
  77
  78     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  79     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Codec Details")];
  80     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  81     [o_tab_view selectTabViewItemAtIndex: 0];
  82
  83     /* constants defined in vlc_meta.h */
  84     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  85     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  86     [o_collection_lbl setStringValue: _NS(VLC_META_ALBUM)];
  87     [o_seqNum_lbl setStringValue: _NS(VLC_META_TRACK_NUMBER)];
  88     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  89     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  90     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  91     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  92     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  93     [o_encodedby_lbl setStringValue: _NS(VLC_META_ENCODED_BY)];
  94
  95     /* statistics */
  96     [o_input_lbl setStringValue: _NS("Input")];
  97     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
  98     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
  99     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
 100     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
 101
 102     [o_video_lbl setStringValue: _NS("Video")];
 103     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
 104     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
 105     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
 106
 107     [o_sout_lbl setStringValue: _NS("Streaming")];
 108     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
 109     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
 110     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
 111
 112     [o_audio_lbl setStringValue: _NS("Audio")];
 113     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
 114     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
 115     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 116
 117     [o_info_window setInitialFirstResponder: o_uri_txt];
 118     [o_info_window setDelegate: self];
 119
 120     b_awakeFromNib = YES;
 121
 122     /* We may be awoken from nib way after initialisation
 123      * Update ourselves */
 124     [self updatePanelWithItem:p_item];
 125 }
 126
 127
 128 - (void)dealloc
 129 {
 130     [rootItem release];
 131
 132     if (p_item)
 133         vlc_gc_decref(p_item);
 134
 135     [super dealloc];
 136 }
 137
 138 - (void)updateCocoaWindowLevel:(NSInteger)i_level
 139 {
 140     if (o_info_window && [o_info_window isVisible] && [o_info_window level] != i_level)
 141         [o_info_window setLevel: i_level];
 142 }
 143
 144 - (void)initPanel
 145 {
 146     b_stats = var_InheritBool(VLCIntf, "stats");
 147     if (!b_stats) {
 148         if ([o_tab_view numberOfTabViewItems] > 2)
 149             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 150     }
 151     else
 152         [self initMediaPanelStats];
 153
 154     NSInteger i_level = [[[VLCMain sharedInstance] voutController] currentWindowLevel];
 155     [o_info_window setLevel: i_level];
 156     [o_info_window makeKeyAndOrderFront: self];
 157 }
 158
 159 - (void)initMediaPanelStats
 160 {
 161     //Initializing Input Variables
 162     [o_read_bytes_txt setStringValue: [NSString stringWithFormat:_NS("%.1f KiB"), (float)0]];
 163     [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 164     [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:_NS("%.1f KiB"), (float)0]];
 165     [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 166
 167     //Initializing Video Variables
 168     [o_video_decoded_txt setIntValue:0];
 169     [o_displayed_txt setIntValue:0];
 170     [o_lost_frames_txt setIntValue:0];
 171
 172     //Initializing Output Variables
 173     [o_sent_packets_txt setIntValue: 0];
 174     [o_sent_bytes_txt setStringValue: [NSString stringWithFormat:_NS("%.1f KiB"), (float)0]];
 175     [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 176
 177     //Initializing Audio Variables
 178     [o_audio_decoded_txt setIntValue:0];
 179     [o_played_abuffers_txt setIntValue: 0];
 180     [o_lost_abuffers_txt setIntValue: 0];
 181
 182 }
 183
 184 - (void)updatePanelWithItem:(input_item_t *)_p_item;
 185 {
 186     NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 187     if (_p_item != p_item) {
 188         if (p_item) vlc_gc_decref(p_item);
 189         [o_saveMetaData_btn setEnabled: NO];
 190         if (_p_item) vlc_gc_incref(_p_item);
 191         p_item = _p_item;
 192     }
 193
 194     if (!p_item) {
 195         /* Erase */
 196     #define SET( foo ) \
 197         [self setMeta: "" forLabel: o_##foo##_txt];
 198         SET( uri );
 199         SET( title );
 200         SET( author );
 201         SET( collection );
 202         SET( seqNum );
 203         SET( genre );
 204         SET( copyright );
 205         SET( publisher );
 206         SET( nowPlaying );
 207         SET( language );
 208         SET( date );
 209         SET( description );
 210         SET( encodedby );
 211     #undef SET
 212         [o_image_well setImage: [NSImage imageNamed: @"noart.png"]];
 213     } else {
 214         if (!input_item_IsPreparsed(p_item))
 215             libvlc_MetaRequest(VLCIntf->p_libvlc, p_item);
 216
 217         /* fill uri info */
 218         char * psz_url = decode_URI(input_item_GetURI(p_item));
 219         [o_uri_txt setStringValue: [NSString stringWithUTF8String:psz_url ? psz_url : ""]];
 220         free(psz_url);
 221
 222         /* fill title info */
 223         char * psz_title = input_item_GetTitle(p_item);
 224         if (!psz_title)
 225             psz_title = input_item_GetName(p_item);
 226         [o_title_txt setStringValue: [NSString stringWithUTF8String:psz_title ? : ""]];
 227         free(psz_title);
 228
 229     #define SET( foo, bar ) \
 230         char *psz_##foo = input_item_Get##bar ( p_item ); \
 231         [self setMeta: psz_##foo forLabel: o_##foo##_txt]; \
 232         FREENULL( psz_##foo );
 233
 234         /* fill the other fields */
 235         SET( author, Artist );
 236         SET( collection, Album );
 237         SET( seqNum, TrackNum );
 238         SET( genre, Genre );
 239         SET( copyright, Copyright );
 240         SET( publisher, Publisher );
 241         SET( nowPlaying, NowPlaying );
 242         SET( language, Language );
 243         SET( date, Date );
 244         SET( description, Description );
 245         SET( encodedby, EncodedBy );
 246
 247     #undef SET
 248
 249         char *psz_meta;
 250         NSImage *o_image;
 251         psz_meta = input_item_GetArtURL(p_item);
 252
 253         /* FIXME Can also be attachment:// */
 254         if (psz_meta && strncmp(psz_meta, "attachment://", 13))
 255             o_image = [[NSImage alloc] initWithContentsOfURL: [NSURL URLWithString:[NSString stringWithUTF8String:psz_meta]]];
 256         else
 257             o_image = [[NSImage imageNamed: @"noart.png"] retain];
 258         [o_image_well setImage: o_image];
 259         [o_image release];
 260         FREENULL(psz_meta);
 261     }
 262
 263     /* reload the advanced table */
 264     [rootItem refresh];
 265     [o_outline_view reloadData];
 266     [o_outline_view expandItem:nil expandChildren:YES];
 267
 268     /* update the stats once to display p_item change faster */
 269     [self updateStatistics];
 270     [o_pool release];
 271 }
 272
 273 - (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 274 {
 275     if (psz_meta != NULL && *psz_meta)
 276         [theItem setStringValue: [NSString stringWithUTF8String:psz_meta]];
 277     else
 278         [theItem setStringValue: @""];
 279 }
 280
 281 - (void)updateStatistics
 282 {
 283     if (!b_awakeFromNib || !b_stats)
 284         return;
 285
 286     if ([o_info_window isVisible]) {
 287         if (!p_item || !p_item->p_stats) {
 288             [self initMediaPanelStats];
 289             return;
 290         }
 291
 292         vlc_mutex_lock(&p_item->p_stats->lock);
 293
 294         /* input */
 295         [o_read_bytes_txt setStringValue: [NSString stringWithFormat:
 296             @"%8.0f KiB", (float)(p_item->p_stats->i_read_bytes)/1024]];
 297         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:
 298             @"%6.0f kb/s", (float)(p_item->p_stats->f_input_bitrate)*8000]];
 299         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:
 300             @"%8.0f KiB", (float)(p_item->p_stats->i_demux_read_bytes)/1024]];
 301         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:
 302             @"%6.0f kb/s", (float)(p_item->p_stats->f_demux_bitrate)*8000]];
 303
 304         /* Video */
 305         [o_video_decoded_txt setIntValue: p_item->p_stats->i_decoded_video];
 306         [o_displayed_txt setIntValue: p_item->p_stats->i_displayed_pictures];
 307         [o_lost_frames_txt setIntValue: p_item->p_stats->i_lost_pictures];
 308
 309         /* Sout */
 310         [o_sent_packets_txt setIntValue: p_item->p_stats->i_sent_packets];
 311         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f KiB",
 312             (float)(p_item->p_stats->i_sent_bytes)/1024]];
 313         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:
 314             @"%6.0f kb/s", (float)(p_item->p_stats->f_send_bitrate*8)*1000]];
 315
 316         /* Audio */
 317         [o_audio_decoded_txt setIntValue: p_item->p_stats->i_decoded_audio];
 318         [o_played_abuffers_txt setIntValue: p_item->p_stats->i_played_abuffers];
 319         [o_lost_abuffers_txt setIntValue: p_item->p_stats->i_lost_abuffers];
 320
 321         vlc_mutex_unlock(&p_item->p_stats->lock);
 322     }
 323 }
 324
 325 - (IBAction)metaFieldChanged:(id)sender
 326 {
 327     [o_saveMetaData_btn setEnabled: YES];
 328 }
 329
 330 - (IBAction)saveMetaData:(id)sender
 331 {
 332     if (!p_item)
 333         goto error;
 334
 335     #define utf8( o_blub ) \
 336         [[o_blub stringValue] UTF8String]
 337
 338     input_item_SetName( p_item, utf8( o_title_txt ) );
 339     input_item_SetTitle( p_item, utf8( o_title_txt ) );
 340     input_item_SetArtist( p_item, utf8( o_author_txt ) );
 341     input_item_SetAlbum( p_item, utf8( o_collection_txt ) );
 342     input_item_SetGenre( p_item, utf8( o_genre_txt ) );
 343     input_item_SetTrackNum( p_item, utf8( o_seqNum_txt ) );
 344     input_item_SetDate( p_item, utf8( o_date_txt ) );
 345     input_item_SetCopyright( p_item, utf8( o_copyright_txt ) );
 346     input_item_SetPublisher( p_item, utf8( o_publisher_txt ) );
 347     input_item_SetDescription( p_item, utf8( o_description_txt ) );
 348     input_item_SetLanguage( p_item, utf8( o_language_txt ) );
 349
 350     playlist_t * p_playlist = pl_Get(VLCIntf);
 351     input_item_WriteMeta(VLC_OBJECT(p_playlist), p_item);
 352
 353     var_SetBool(p_playlist, "intf-change", true);
 354     [self updatePanelWithItem: p_item];
 355
 356     [o_saveMetaData_btn setEnabled: NO];
 357     return;
 358
 359 error:
 360     NSRunAlertPanel(_NS("Error while saving meta"),
 361         @"%@",_NS("VLC was unable to save the meta data."),
 362         _NS("OK"), nil, nil);
 363 }
 364
 365 - (IBAction)downloadCoverArt:(id)sender
 366 {
 367     playlist_t * p_playlist = pl_Get(VLCIntf);
 368     if (p_item) libvlc_ArtRequest(VLCIntf->p_libvlc, p_item);
 369 }
 370
 371 - (input_item_t *)item
 372 {
 373     if (p_item) vlc_gc_incref(p_item);
 374     return p_item;
 375 }
 376
 377 @end
 378
 379 @implementation VLCInfo (NSMenuValidation)
 380
 381 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 382 {
 383     BOOL bEnabled = TRUE;
 384
 385     if ([[o_mi title] isEqualToString: _NS("Information")]) {
 386         return ![[[VLCMain sharedInstance] playlist] isSelectionEmpty];
 387     }
 388
 389     return TRUE;
 390 }
 391
 392 @end
 393
 394 @implementation VLCInfo (NSTableDataSource)
 395
 396 - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 397 {
 398     return (item == nil) ? [rootItem numberOfChildren] : [item numberOfChildren];
 399 }
 400
 401 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 402     return ([item numberOfChildren] > 0);
 403 }
 404
 405 - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item
 406 {
 407     return (item == nil) ? [rootItem childAtIndex:index] : (id)[item childAtIndex:index];
 408 }
 409
 410 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 411 {
 412     if ([[tableColumn identifier] isEqualToString:@"0"])
 413         return (item == nil) ? @"" : (id)[item name];
 414     else
 415         return (item == nil) ? @"" : (id)[item value];
 416 }
 417
 418 @end
 419
 420 @implementation VLCInfoTreeItem
 421
 422 @synthesize name = o_name, value = o_value;
 423
 424 #define IsALeafNode ((id)-1)
 425
 426 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id
 427        parent:(VLCInfoTreeItem *)o_parent_item
 428 {
 429     self = [super init];
 430
 431     if (self != nil) {
 432         o_name = [o_item_name copy];
 433         o_value = [o_item_value copy];
 434         i_object_id = i_id;
 435         o_parent = o_parent_item;
 436         p_item = [(VLCInfo *)[[VLCMain sharedInstance] info] item];
 437         o_children = nil;
 438     }
 439     return self;
 440 }
 441
 442 - (id)init
 443 {
 444     return [self initWithName:@"main" value:@"" ID:-1 parent:nil];
 445 }
 446
 447 - (void)dealloc
 448 {
 449     if (o_children != IsALeafNode) [o_children release];
 450     [o_name release];
 451     [o_value release];
 452     if (p_item) vlc_gc_decref(p_item);
 453     [super dealloc];
 454 }
 455
 456 /* Creates and returns the array of children
 457  * Loads children incrementally */
 458 - (NSArray *)children
 459 {
 460     if (!p_item)
 461         return nil;
 462
 463     if (o_children == NULL) {
 464         if (i_object_id == -1) {
 465             vlc_mutex_lock(&p_item->lock);
 466             o_children = [[NSMutableArray alloc] initWithCapacity: p_item->i_categories];
 467             for (int i = 0 ; i < p_item->i_categories ; i++) {
 468                 NSString * name = [NSString stringWithUTF8String:p_item->pp_categories[i]->psz_name];
 469                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:@"" ID:i parent:self];
 470                 [item autorelease];
 471                 [o_children addObject:item];
 472             }
 473             vlc_mutex_unlock(&p_item->lock);
 474         }
 475         else if (o_parent->i_object_id == -1) {
 476             vlc_mutex_lock(&p_item->lock);
 477             info_category_t * cat = p_item->pp_categories[i_object_id];
 478             o_children = [[NSMutableArray alloc] initWithCapacity: cat->i_infos];
 479             for (int i = 0 ; i < cat->i_infos ; i++) {
 480                 NSString * name = [NSString stringWithUTF8String:cat->pp_infos[i]->psz_name];
 481                 NSString * value = [NSString stringWithUTF8String:cat->pp_infos[i]->psz_value ? : ""];
 482                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:value ID:i parent:self];
 483                 [item autorelease];
 484                 [o_children addObject:item];
 485             }
 486             vlc_mutex_unlock(&p_item->lock);
 487         }
 488         else
 489             o_children = IsALeafNode;
 490     }
 491     return o_children;
 492 }
 493
 494 - (void)refresh
 495 {
 496     input_item_t * oldItem = p_item;
 497     p_item = [(VLCInfo *)[[VLCMain sharedInstance] info] item];
 498     if (oldItem && oldItem != p_item)
 499         vlc_gc_decref(oldItem);
 500
 501     [o_children release];
 502     o_children = nil;
 503 }
 504
 505 - (VLCInfoTreeItem *)childAtIndex:(NSUInteger)i_index {
 506     return [[self children] objectAtIndex:i_index];
 507 }
 508
 509 - (int)numberOfChildren {
 510
 511     id i_tmp = [self children];
 512     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 513 }
 514
 515 @end
 516